MEG is a colorless, odorless, flammable, and viscous liquid, primarily produced by oxidation of ethylene to ethylene oxide followed by hydration. It is a core feedstock for PET and a key component in heat transfer fluids and automotive coolants.
| Property |
Unit |
Specification |
| Appearance |
- |
Colourless, Clear |
| Colour (Pt/Co) |
Max |
5 |
| Purity |
wt% |
Min 99.8 |
| DEG |
wt% |
Max 0.08 |
| Water |
wt% |
Max 0.08 |
| Aldehydes (as Formaldehyde) |
wt% |
Max 8 |
| Acidity (as Acetic Acid) |
mg/kg |
Max 10 |
| Iron (as Fe) |
mg/kg |
Max 0.1 |
| Inorganic Chlorides (as Cl) |
– |
Max 0.05 |
| Ash |
– |
Max 50 |
| Specific Gravity, 20/20o C |
°C |
1.1151 – 1.1156 |
| UV transmittance |
| At 220 nm |
% |
80 |
| At 275 nm |
% |
95 |
| At 350 nm |
% |
99 |
| Distillation Range (0.1013 Mpa) |
| 5 v/v % |
oC |
Min 196 |
| 95 v/v% |
oC |
Max 199 |